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公开(公告)号：US2810337A
公开(公告)日：1957-10-22
申请号：US55826756
申请日：1956-01-10
Applicant: PETROLITE CORP
Inventor： SAMUELSON GILBERT J , STROMBERG VERNER L , BLAIR CHARLES M
IPC: B08B15/02
CPC classification number: B08B15/023 , B08B2215/003
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